U.S. Air Force Capt. Robert Hilby, 13th Figther Squadron pilot, is greeted by Royal Singapore air force Lt. Col. Adrian Toh, 143rd Fighter Squadron commander, upon his arrival to Paya Lebar Air Base, Singapore, March 2012. Members of the 13 FS are currently fixing and flying aircraft alongside their RSAF counterparts for three weeks during Commando Sling. (Courtesy Photo)